@misc{indiciaeef977ccade46,
  title = {Vanadium deposits near Placerville, San Miguel County, Colorado},
  author = {R. P. Fischer and J.C. Haff and J.F. Rossinger},
  year = {1943},
  doi = {10.3133/ofr4397},
  url = {https://pubs.usgs.gov/publication/ofr4397},
  note = {Source identifier: ofr4397}
}